<script src="https://cdn.bootcdn.net/ajax/libs/echarts/4.8.0/echarts.min.js"></script>



<!-- 文档地址 https://echarts.apache.org/examples/zh/index.html#chart-type-line -->
<div id="main" style="width: 100%;height:400px;"></div>

<script type="text/javascript">
    // 基于准备好的dom，初始化echarts实例
    var myChart = echarts.init(document.getElementById('main'));

    // 指定图表的配置项和数据
    option = {
        backgroundColor: '#2c343c',

        title: {
            text: 'Customized Pie',
            left: 'center',
            top: 20,
            textStyle: {
                color: '#ccc'
            }
        },

        tooltip: {
            trigger: 'item',
            formatter: '{a} <br/>{b} : {c} ({d}%)'
        },

        visualMap: {
            show: false,
            min: 80,
            max: 600,
            inRange: {
                colorLightness: [0, 1]
            }
        },
        series: [
        {
            name: '访问来源',
            type: 'pie',
            radius: '55%',
            center: ['50%', '50%'],
            data: [
            {value: 335, name: '直接访问'},
            {value: 310, name: '邮件营销'},
            {value: 274, name: '联盟广告'},
            {value: 235, name: '视频广告'},
            {value: 400, name: '搜索引擎'}
            ].sort(function (a, b) { return a.value - b.value; }),
            roseType: 'radius',
            label: {
                color: 'rgba(255, 255, 255, 0.3)'
            },
            labelLine: {
                lineStyle: {
                    color: 'rgba(255, 255, 255, 0.3)'
                },
                smooth: 0.2,
                length: 10,
                length2: 20
            },
            itemStyle: {
                color: '#c23531',
                shadowBlur: 200,
                shadowColor: 'rgba(0, 0, 0, 0.5)'
            },

            animationType: 'scale',
            animationEasing: 'elasticOut',
            animationDelay: function (idx) {
                return Math.random() * 200;
            }
        }
        ]
    };

    // 使用刚指定的配置项和数据显示图表。
    myChart.setOption(option);
</script>